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$49+ Cheap flights from Ontario to Raleigh (ONT - RDU)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — RDU
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheapflights Tip: The best prices from Ontario to Raleigh-Durham are usually found in August or June, booked 85 days in advance, depart on a Wednesday or Friday and return on a Monday

Cheap flight deals from Ontario to Raleigh

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Raleigh (RDU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 3, 2025.

Round-trip from

$138
(Priceline)

One-way from

$49
(Priceline)

Popular in

November

Cheapest in

August

Average price

$446
From Ontario to Raleigh-Durham
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One-way flight from Ontario to Raleigh-Durham
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Highest demand for flights based on searches. 15% potential increase in price ($79 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Ontario to Raleigh

Cheapest flights from Ontario to Raleigh
Explore the most affordable flight options available from Ontario to Raleigh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This Priceline deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/137:22 pmONT - RDU
1 stop8h 13mFrontier
Thu 8/215:32 pmRDU - ONT
1 stop9h 18mFrontier
Deal found 7/2$138

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Raleigh that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 3, 2025.
Use the filters below to find and compare flights from Ontario to Raleigh that are best for you.

Fly from

Ontario

Fly to

Raleigh

Route

Depart

Return

Price

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Wed 8/13

7:22 pm-6:35 am

1 stop8h 13m

Raleigh-Durham

Thu 8/21

5:32 pm-11:50 pm

1 stop9h 18m

$138

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Wed 8/13

7:22 pm-6:35 am

1 stop8h 13m

$49

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Sat 9/13

1:15 pm-10:44 pm

1 stop6h 29m

$149

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Wed 8/13

5:45 am-5:50 pm

2 stops9h 05m

$154

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Wed 9/3

10:56 pm-10:32 am

1 stop8h 36m

$156

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Best time to book a flight from Ontario to Raleigh

Have a flexible travel schedule? Discover the best time to fly to Raleigh from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Raleigh

How far ahead should I book a flight from Ontario to Raleigh?

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Raleigh. Price data was last updated on June 27, 2025.

To ensure you get the cheapest price possible for a flight from Ontario to Raleigh, you should look to book at least 85 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Ontario to Raleigh?

Currently, August is the cheapest month in which you can book a flight from Ontario to Raleigh (average of $206). Flying from Ontario to Raleigh in March is currently the most expensive (average of $294). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ONT to RDU?

Find hourly flight availability from Ontario to Raleigh. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

It’s optimal to fly from Ontario to Raleigh in the afternoon. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight in the evening.

Reviews of airlines servicing Raleigh

Get insights into the airlines that provide service to Raleigh. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Raleigh. Reviews last updated July 3, 2025.
Read through reviews of airlines operating flights from Ontario to Raleigh, such as Southwest, United Airlines, and JetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,270 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Southwest
8.0
Very good
4,270 reviews
Southwest
8.0
Very good
4,270 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
United Airlines
7.4
Good
8,845 reviews
Southwest
8.0
Very good
4,270 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
JetBlue
7.3
Good
2,916 reviews
Southwest
8.0
Very good
4,270 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Frontier
5.9
Fair
3,284 reviews
Southwest
8.0
Very good
4,270 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Raleigh. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What is the cheapest airline to fly from Ontario to Raleigh round-trip?

    Frontier, at $138, was found to be the cheapest airline from Ontario to Raleigh.. Frontier is priced at 67% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Ontario to Raleigh one-way?

    $49 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on United Airlines and Southwest, with prices starting from $149 and $154, respectively.

  • Can I find deals for flights from Ontario to Raleigh that include hotel bookings?

    Yes. In addition to deals on Ontario to Raleigh flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Raleigh?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Raleigh.

  • Can I find deals for business class flights from Ontario to Raleigh?

    Yes. Cheapflights offers flight deals from Ontario to Raleigh by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Raleigh?

    Currently, August is the cheapest month in which you can book a flight from Ontario to Raleigh (average of $206). Flying from Ontario to Raleigh in March is currently the most expensive (average of $294). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Ontario?

Book flights to Ontario if you plan to visit one of these locations
Morrisville
Dunn
Smithfield
Cary
Rocky Mount
Chapel Hill
Goldsboro
Apex
Garner
Wilson
Wake Forest
Danville
Henderson
Holly Springs
Oxford

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Top 5 airlines flying from Ontario to Raleigh

Discover the top 5 airlines that operate flights from Ontario to Raleigh. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$150Average$278FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$242Average$426FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$316Average$419FlexibilityNo cancel feeOn-time71%
DeltaCheapest$326Average$455FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$342Average$451FlexibilityNo cancel feeOn-time63%

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